[PATCH] thermal: broadcom: use devm_thermal_zone_of_sensor_register

[Julia Lawall]

Using devm_thermal_zone_of_sensor_register allows to simplify some
error handling code, drop a label, and drop the remove function.

Signed-off-by: Julia Lawall <julia.law...@lip6.fr>

---

This patch is completely orthogonal to the recent constification
patch.

 drivers/thermal/broadcom/brcmstb_thermal.c |   24 ++++--------------------
 1 file changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c 
b/drivers/thermal/broadcom/brcmstb_thermal.c
index 1919f91fa756..956eef8717bb 100644
--- a/drivers/thermal/broadcom/brcmstb_thermal.c
+++ b/drivers/thermal/broadcom/brcmstb_thermal.c
@@ -329,7 +329,8 @@ static int brcmstb_thermal_probe(struct platform_device 
*pdev)
        priv->dev = &pdev->dev;
        platform_set_drvdata(pdev, priv);
 
-       thermal = thermal_zone_of_sensor_register(&pdev->dev, 0, priv, &of_ops);
+       thermal = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, priv,
+                                                      &of_ops);
        if (IS_ERR(thermal)) {
                ret = PTR_ERR(thermal);
                dev_err(&pdev->dev, "could not register sensor: %d\n", ret);
@@ -341,40 +342,23 @@ static int brcmstb_thermal_probe(struct platform_device 
*pdev)
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {
                dev_err(&pdev->dev, "could not get IRQ\n");
-               ret = irq;
-               goto err;
+               return irq;
        }
        ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
                                        brcmstb_tmon_irq_thread, IRQF_ONESHOT,
                                        DRV_NAME, priv);
        if (ret < 0) {
                dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
-               goto err;
+               return ret;
        }
 
        dev_info(&pdev->dev, "registered AVS TMON of-sensor driver\n");
 
        return 0;
-
-err:
-       thermal_zone_of_sensor_unregister(&pdev->dev, thermal);
-       return ret;
-}
-
-static int brcmstb_thermal_exit(struct platform_device *pdev)
-{
-       struct brcmstb_thermal_priv *priv = platform_get_drvdata(pdev);
-       struct thermal_zone_device *thermal = priv->thermal;
-
-       if (thermal)
-               thermal_zone_of_sensor_unregister(&pdev->dev, priv->thermal);
-
-       return 0;
 }
 
 static struct platform_driver brcmstb_thermal_driver = {
        .probe = brcmstb_thermal_probe,
-       .remove = brcmstb_thermal_exit,
        .driver = {
                .name = DRV_NAME,
                .of_match_table = brcmstb_thermal_id_table,